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Print out the location of expanded multiclass defs in TableGen errors.

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When reporting an error for a defm, we would previously only report the
location of the outer defm, which is not always where the error is.

Now we also print the location of the expanded multiclass defs:

lib/Target/X86/X86InstrSSE.td:2902:12: error: foo
  defm ADD : basic_sse12_fp_binop_s<0x58, "add", fadd, SSE_ALU_ITINS_S>,
             ^
lib/Target/X86/X86InstrSSE.td:2801:11: note: instantiated from multiclass
  defm PD : sse12_fp_packed<opc, !strconcat(OpcodeStr, "pd"), OpNode, VR128,
            ^
lib/Target/X86/X86InstrSSE.td:194:5: note: instantiated from multiclass
    def rm : PI<opc, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2),
        ^

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162409 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-08-22 23:33:58 +00:00
parent 6c6237f8dc
commit 376a8a773e
8 changed files with 41 additions and 22 deletions
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2
utils/TableGen/AsmMatcherEmitter.cpp
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@@ -666,7 +666,7 @@ void MatchableInfo::dump() {
}
static std::pair<StringRef, StringRef>
parseTwoOperandConstraint(StringRef S, SMLoc Loc) {
parseTwoOperandConstraint(StringRef S, ArrayRef<SMLoc> Loc) {
// Split via the '='.
std::pair<StringRef, StringRef> Ops = S.split('=');
if (Ops.second == "")